The Great Lakes Restoration Initiative after one year: Part 1

More than 50 projects on Lake Michigan and Lake Superior are underway to not only clean-up pollution hot spots, but to return the Great Lakes to their natural state. The federally-funded Great Lakes Restoration Initiative is scheduled to run through 2014, but environmental groups are opposing Republican efforts to shrink the program for next year.In the first of two parts on the initiative, Mike Simonson looks at a project that tests mercury levels in fish in Lake Superior and inland lakes.